Your Yahoo mail account has a devoted Account Information board where you edit your data. From this board, change basic contact and account login info and deal with your backup email address, and area of configuration, language and inclination settings. Dial toll free Yahoo Helpline Number
Here are the complete steps to edit Yahoo Account Info
Step 1: At the first step, access your Yahoo mail account, tap to your name or profile picture in the upper right corner of the screen and here pick Account Info option to open the Account Info board.
Step 2: Next, you have to choose the Personal Info tab on left sidebar and customize any personal details you need to change. Afterward edit your name, sex, date of birth and so on.
Step 3: Then select the Account Security tab. From this window, you can change your account password, mobile number, start 2-step verification and include a recovery email id.